DE2651782A1 - Verfahren zur steigerung des schrottanteils und eisenoxidanteils bei der stahlherstellung - Google Patents
Verfahren zur steigerung des schrottanteils und eisenoxidanteils bei der stahlherstellungInfo
- Publication number
- DE2651782A1 DE2651782A1 DE19762651782 DE2651782A DE2651782A1 DE 2651782 A1 DE2651782 A1 DE 2651782A1 DE 19762651782 DE19762651782 DE 19762651782 DE 2651782 A DE2651782 A DE 2651782A DE 2651782 A1 DE2651782 A1 DE 2651782A1
- Authority
- DE
- Germany
- Prior art keywords
- iron
- scrap
- pig iron
- molten
- oxygen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 30
- 230000008569 process Effects 0.000 title claims description 17
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 229910000805 Pig iron Inorganic materials 0.000 claims description 70
- 229910052760 oxygen Inorganic materials 0.000 claims description 56
- 239000001301 oxygen Substances 0.000 claims description 56
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 12
- 238000013021 overheating Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000004907 flux Effects 0.000 claims description 4
- 239000000047 product Substances 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 235000013980 iron oxide Nutrition 0.000 description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 6
- 229910001341 Crude steel Inorganic materials 0.000 description 5
- 239000002803 fossil fuel Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000005997 Calcium carbide Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 239000010459 dolomite Substances 0.000 description 3
- 229910000514 dolomite Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010436 fluorite Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 3
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- 235000000434 Melocanna baccifera Nutrition 0.000 description 2
- 241001497770 Melocanna baccifera Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000003923 scrap metal Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/632,071 US4010029A (en) | 1975-11-14 | 1975-11-14 | Method for increasing the use of scrap and iron oxides by basic oxygen furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2651782A1 true DE2651782A1 (de) | 1977-05-18 |
Family
ID=24533952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762651782 Ceased DE2651782A1 (de) | 1975-11-14 | 1976-11-12 | Verfahren zur steigerung des schrottanteils und eisenoxidanteils bei der stahlherstellung |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4010029A (https=) |
| BE (1) | BE848224A (https=) |
| BR (1) | BR7600599A (https=) |
| CA (1) | CA1077721A (https=) |
| DE (1) | DE2651782A1 (https=) |
| ES (1) | ES453258A1 (https=) |
| FR (1) | FR2331620A1 (https=) |
| GB (1) | GB1501834A (https=) |
| IT (1) | IT1066605B (https=) |
| NL (1) | NL7612513A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411570A (en) * | 1993-06-16 | 1995-05-02 | Iscor Limited | Steelmaking process |
| CN114381568A (zh) * | 2021-12-02 | 2022-04-22 | 安阳钢铁股份有限公司 | 一种提高转炉出钢量的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3323907A (en) * | 1964-11-23 | 1967-06-06 | Air Prod & Chem | Production of chromium steels |
-
1975
- 1975-11-14 US US05/632,071 patent/US4010029A/en not_active Expired - Lifetime
- 1975-12-11 CA CA241,550A patent/CA1077721A/en not_active Expired
-
1976
- 1976-01-30 BR BR7600599A patent/BR7600599A/pt unknown
- 1976-03-16 GB GB1055976A patent/GB1501834A/en not_active Expired
- 1976-11-08 IT IT5207676A patent/IT1066605B/it active
- 1976-11-10 BE BE172269A patent/BE848224A/xx not_active IP Right Cessation
- 1976-11-11 NL NL7612513A patent/NL7612513A/xx not_active Application Discontinuation
- 1976-11-12 DE DE19762651782 patent/DE2651782A1/de not_active Ceased
- 1976-11-12 ES ES453258A patent/ES453258A1/es not_active Expired
- 1976-11-15 FR FR7634255A patent/FR2331620A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1077721A (en) | 1980-05-20 |
| BR7600599A (pt) | 1977-05-10 |
| IT1066605B (it) | 1985-03-12 |
| FR2331620A1 (fr) | 1977-06-10 |
| ES453258A1 (es) | 1977-11-16 |
| FR2331620B3 (https=) | 1979-07-27 |
| US4010029A (en) | 1977-03-01 |
| GB1501834A (en) | 1978-02-22 |
| NL7612513A (nl) | 1977-05-17 |
| BE848224A (fr) | 1977-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |